Lightweight concrete, raw material proportion and preparation method of lightweight concrete
A technology for lightweight concrete and raw materials, which is applied in the ratio of raw materials and its preparation, in the field of lightweight concrete, can solve the problems of high grinding cost of fine orthopedics, expensive cement and fine orthopedics, etc., and achieves low price, easy operation, and high output. big effect
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Embodiment 1
[0042]Grind the water slag until the specific surface area is 360m2 / kg, and the residue on the 3mm square hole sieve is ≤10%. Weigh 150.33kg of cement, 195.07kg of rock particles, 149.88kg of ceramsite, 100.33kg of water slag, 10.51kg of fly ash, 3.5kg of water reducing agent, 0.5kg of early strength agent, 0.5kg of activator, and 0.0.5kg of cellulose , 79.8kg of water, first pour 2 / 3 of the water into the mortar mixing pot, then add the raw materials in turn, then start stirring, and gradually add the modified melamine water-reduced solution dissolved in the remaining 1 / 3 of the water during the stirring process agent. Foam the rosin soap foaming agent at a ratio of 1:30 to dry foam, add 2.15 kg of foam, and mix the foam and slurry evenly.
[0043] According to the provisions of GB / T11971-1997, the cube compressive strength test and the dry apparent density test are carried out according to the provisions of GB / T11970-1997. The strength of concrete with a bulk density of 112...
Embodiment 2
[0045] Grind the water slag until the specific surface area is 360m2 / kg, and the residue on the 3mm square hole sieve is ≤10%. Weigh 140.33kg of cement, 185.07kg of rock particles, 144.88kg of ceramsite, 105.33kg of water slag, 15.51kg of fly ash, 3.5kg of water reducing agent, 0.5kg of early strength agent, 1.5kg of activator, 0.5kg of vitamin, 76.2kg of water, first pour 2 / 3 of the water into the mortar mixing pot, then add the raw materials in turn, then start stirring, and gradually add the modified melamine water reducer dissolved in the remaining 1 / 3 of the water during the stirring process . Foam the rosin soap foaming agent at a ratio of 1:30 to dry foam, add 1.15 kg of foam, and mix the foam and slurry evenly.
[0046] According to the provisions of GB / T11971-1997, the cube compressive strength test and the dry apparent density test are carried out according to the provisions of GB / T11970-1997. The strength of concrete with a bulk density of 1403kg / m3 is 23.2MPa.
Embodiment 3
[0048] Grind the water slag until the specific surface area is 390m2 / kg, and the residue on the 3mm square hole sieve is ≤10%. Weigh 135.53kg of cement, 180.47kg of rock particles, 138.86kg of ceramsite, 110.34Kg of water slag, 20.51kg of fly ash, 2.5kg of water reducing agent, 0.5kg of early strength agent, 1.5kg of activator, 0.5kg of vitamin, 72.2kg of water, first pour 2 / 3 of the water into the mortar mixing pot, then add each raw material in turn, then start stirring, and gradually add the modified melamine water reducer dissolved in the remaining 1 / 3 of the water during the stirring process . Foam the rosin soap foaming agent at a ratio of 1:30 to dry foam, add 2.35 kg of foam, and mix the foam and slurry evenly.
[0049] According to the provisions of GB / T11971-1997, the cube compressive strength test and the dry apparent density test are carried out according to the provisions of GB / T11970-1997. The strength of concrete with a bulk density of 1357kg / m3 is 13.2MPa.
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